44c63dcc93c7c22b2a7afc8a857317aa8139ed7eff29d72db5387b40d869e671

General

Target

df5c4e4e78597f50f22194b647f0271a.exe
Size

80KB
MD5

df5c4e4e78597f50f22194b647f0271a
SHA1

a2a7e00229cba5947094c2cb9e3775f5a02ecdbb
SHA256

44c63dcc93c7c22b2a7afc8a857317aa8139ed7eff29d72db5387b40d869e671
SHA512

941864a9e0e002ab9263281a83dd660830d4ac0ca4d8533e452892901ee9232b725a2a2537017cc40f368d282378a12f7e0ea28132242163084aef4ba1214a2a
SSDEEP

1536:wQmto47yF8e/O+TtSv6DhjFEA5n6qtvmzrRptAi858J8MGu1N3i6Enw:j4FMw

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	df5c4e4e78597f50f22194b647f0271a.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	huiuvod.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	df5c4e4e78597f50f22194b647f0271a.exe

Executes dropped EXE 1 IoCs

pid	Process
4356	huiuvod.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huiuvod = "C:\\Users\\Admin\\huiuvod.exe /f"	huiuvod.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huiuvod = "C:\\Users\\Admin\\huiuvod.exe /g"	huiuvod.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huiuvod = "C:\\Users\\Admin\\huiuvod.exe /r"	huiuvod.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huiuvod = "C:\\Users\\Admin\\huiuvod.exe /m"	df5c4e4e78597f50f22194b647f0271a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huiuvod = "C:\\Users\\Admin\\huiuvod.exe /c"	huiuvod.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huiuvod = "C:\\Users\\Admin\\huiuvod.exe /k"	huiuvod.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huiuvod = "C:\\Users\\Admin\\huiuvod.exe /o"	huiuvod.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\huiuvod = "C:\\Users\\Admin\\huiuvod.exe /s"	huiuvod.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4560	df5c4e4e78597f50f22194b647f0271a.exe
4560	df5c4e4e78597f50f22194b647f0271a.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe
4356	huiuvod.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4560	df5c4e4e78597f50f22194b647f0271a.exe
4356	huiuvod.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 4356	4560	df5c4e4e78597f50f22194b647f0271a.exe	113
PID 4560 wrote to memory of 4356	4560	df5c4e4e78597f50f22194b647f0271a.exe	113
PID 4560 wrote to memory of 4356	4560	df5c4e4e78597f50f22194b647f0271a.exe	113

C:\Users\Admin\AppData\Local\Temp\df5c4e4e78597f50f22194b647f0271a.exe
"C:\Users\Admin\AppData\Local\Temp\df5c4e4e78597f50f22194b647f0271a.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4560
- C:\Users\Admin\huiuvod.exe
  "C:\Users\Admin\huiuvod.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4356

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4240 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:4716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\huiuvod.exe

Filesize
80KB

MD5
d1b50e158a091390c64cf7015b4529e5

SHA1
46c3e08e7d943e94ead75882d3e480ea0dce58cd

SHA256
47c5f5a03d80cb70b91f4f27aa55fd3ac559f5fcd9c69fcfbdfbf1d77187495b

SHA512
bb3f1c608f38c7a9e10725d15dfdce24629d45eb83efc9ec37c9c8542f6457151f8e048392ae35070d2fe2ae0f349bc816207be3ebfb852408f274ef1e1d7b99

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads